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Bread-Making: Aerated Bread

It is not unknown to some of our readers that Dr. Dauglish, of Malvern, has recently patented a process for making bread "light" without the use of leaven. The ordinary process of bread-making by fermentation is tedious, and much labour of human hands is requisite in the kneading, in order that the dough may be thoroughly interpenetrated with the leaven. The new process impregnates the bread, by the application of machinery, with carbonic acid gas, or fixed air. Different opinions are expressed about the bread; but it is curious to note, that, as corn is now reaped by machinery, and dough is baked by machinery, the whole process of bread-making is probably in course of undergoing changes which will emancipate both the housewife and the professional baker from a large amount of labour.

In the production of AŽrated Bread, wheaten flour, water, salt, and carbonic acid gas (generated by proper machinery), are the only materials employed. We need not inform our readers that carbonic acid gas is the source of the effervescence, whether in common water coming from a depth, or in lemonade, or any aŽrated drink. Its action, in the new bread, takes the place of fermentation in the old.

In the patent process, the dough is mixed in a great iron ball, inside which is a system of paddles, perpetually turning, and doing the kneading part of the business. Into this globe the flour is dropped till it is full, and then the common atmospheric air is pumped out, and the pure gas turned on. The gas is followed by the water, which has been aŽrated for the purpose, and then begins the churning or kneading part of the business.

Of course, it is not long before we have the dough, and very "light" and nice it looks. This is caught in tins, and passed on to the floor of the oven, which is an endless floor, moving slowly through the fire. Done to a turn, the loaves emerge at the other end of the apartment, and the AŽrated Bread is made.

It may be added, that it is a good plan to change one's baker from time to time, and so secure a change in the quality of the bread that is eaten.


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The Book of Household Management (1861).

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